GB2443040B - Radio wave detection apparatus - Google Patents

Radio wave detection apparatus

Info

Publication number
GB2443040B
GB2443040B GB0714072A GB0714072A GB2443040B GB 2443040 B GB2443040 B GB 2443040B GB 0714072 A GB0714072 A GB 0714072A GB 0714072 A GB0714072 A GB 0714072A GB 2443040 B GB2443040 B GB 2443040B
Authority
GB
United Kingdom
Prior art keywords
radio wave
detection apparatus
wave detection
radio
wave
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
GB0714072A
Other versions
GB2443040A (en
GB0714072D0 (en
Inventor
Michael Stephen Jessup
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Roke Manor Research Ltd
Original Assignee
Roke Manor Research Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Roke Manor Research Ltd filed Critical Roke Manor Research Ltd
Publication of GB0714072D0 publication Critical patent/GB0714072D0/en
Priority to US12/445,009 priority Critical patent/US20100026600A1/en
Priority to EP07824830A priority patent/EP2076938A1/en
Priority to PCT/GB2007/050618 priority patent/WO2008047158A1/en
Publication of GB2443040A publication Critical patent/GB2443040A/en
Application granted granted Critical
Publication of GB2443040B publication Critical patent/GB2443040B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
    • G01S3/14—Systems for determining direction or deviation from predetermined direction
    • G01S3/146—Systems for determining direction or deviation from predetermined direction by comparing linear polarisation components
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
    • G01S3/14—Systems for determining direction or deviation from predetermined direction
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
    • H01Q21/061—Two dimensional planar arrays
    • H01Q21/062—Two dimensional planar arrays using dipole aerials
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
    • H01Q21/20—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a curvilinear path
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
    • H01Q21/20—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a curvilinear path
    • H01Q21/205—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a curvilinear path providing an omnidirectional coverage
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/24—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching
    • H01Q3/242—Circumferential scanning
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Radar Systems Or Details Thereof (AREA)
GB0714072A 2006-10-16 2007-07-20 Radio wave detection apparatus Expired - Fee Related GB2443040B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US12/445,009 US20100026600A1 (en) 2006-10-16 2007-10-08 Radio Wave Detection Apparatus
EP07824830A EP2076938A1 (en) 2006-10-16 2007-10-08 Radio wave detection apparatus
PCT/GB2007/050618 WO2008047158A1 (en) 2006-10-16 2007-10-08 Radio wave detection apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0620341.8A GB0620341D0 (en) 2006-10-16 2006-10-16 Antenna array

Publications (3)

Publication Number Publication Date
GB0714072D0 GB0714072D0 (en) 2007-08-29
GB2443040A GB2443040A (en) 2008-04-23
GB2443040B true GB2443040B (en) 2008-11-26

Family

ID=37491465

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB0620341.8A Ceased GB0620341D0 (en) 2006-10-16 2006-10-16 Antenna array
GB0714072A Expired - Fee Related GB2443040B (en) 2006-10-16 2007-07-20 Radio wave detection apparatus

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB0620341.8A Ceased GB0620341D0 (en) 2006-10-16 2006-10-16 Antenna array

Country Status (4)

Country Link
US (1) US20100026600A1 (en)
EP (1) EP2076938A1 (en)
GB (2) GB0620341D0 (en)
WO (1) WO2008047158A1 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2208042A (en) * 1987-07-29 1989-02-15 Philips Electronic Associated Antenna arrangement
US5450093A (en) * 1994-04-20 1995-09-12 The United States Of America As Represented By The Secretary Of The Navy Center-fed multifilar helix antenna
WO2000033419A1 (en) * 1998-11-30 2000-06-08 Raytheon Company Circular direction finding antenna
US6154184A (en) * 1998-06-30 2000-11-28 Mitsubishi Denki Kabushiki Kaisha Antenna apparatus for portable phones
US20070109213A1 (en) * 2005-11-11 2007-05-17 General Research Of Electronics, Inc. Direction finder antenna

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB673679A (en) * 1948-06-14 1952-06-11 Sadir Carpentier Improvements in or relating to direction finding receivers
US3860928A (en) * 1972-07-03 1975-01-14 Raytheon Co Super-directive system
US4083051A (en) * 1976-07-02 1978-04-04 Rca Corporation Circularly-polarized antenna system using tilted dipoles
FR2661561B1 (en) * 1990-04-27 1993-02-05 Applic Rech Electro RADIOGONIOMETRY ANTENNA SYSTEM WITH OMNIDIRECTIONAL COVERAGE.
US5255044A (en) * 1990-06-05 1993-10-19 Nikon Corporation Automatic exposure control apparatus with improved exposure value calculation for photographing a moving object
US5255004A (en) * 1991-09-09 1993-10-19 Cubic Defense Systems, Inc. Linear array dual polarization for roll compensation
AU2003228312A1 (en) * 2002-03-26 2003-10-13 Andrew Corp. Multiband dual polarized adjustable beamtilt base station antenna

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2208042A (en) * 1987-07-29 1989-02-15 Philips Electronic Associated Antenna arrangement
US5450093A (en) * 1994-04-20 1995-09-12 The United States Of America As Represented By The Secretary Of The Navy Center-fed multifilar helix antenna
US6154184A (en) * 1998-06-30 2000-11-28 Mitsubishi Denki Kabushiki Kaisha Antenna apparatus for portable phones
WO2000033419A1 (en) * 1998-11-30 2000-06-08 Raytheon Company Circular direction finding antenna
US20070109213A1 (en) * 2005-11-11 2007-05-17 General Research Of Electronics, Inc. Direction finder antenna

Also Published As

Publication number Publication date
GB2443040A (en) 2008-04-23
WO2008047158A1 (en) 2008-04-24
GB0620341D0 (en) 2006-11-22
EP2076938A1 (en) 2009-07-08
GB0714072D0 (en) 2007-08-29
US20100026600A1 (en) 2010-02-04

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20110720